/*
 * PrimitiveMatcher.java May 2007
 *
 * Copyright (C) 2007, Niall Gallagher <niallg@users.sf.net>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package wx.xml.simpleframework.xml.transform;

/**
 * The <code>PrimitiveMatcher</code> object is used to resolve the
 * primitive types to a stock transform. This will basically use
 * a transform that is used with the primitives language object.
 * This will always return a suitable transform for a primitive.
 *
 * @author Niall Gallagher
 * @see wx.xml.simpleframework.xml.transform.DefaultMatcher
 */
class PrimitiveMatcher implements Matcher {

    /**
     * Constructor for the <code>PrimitiveMatcher</code> object. The
     * primitive matcher is used to resolve a transform instance to
     * convert primitive types to an from strings. If a match is not
     * found with this matcher then an exception is thrown.
     */
    public PrimitiveMatcher() {
        super();
    }

    /**
     * This method is used to match the specified type to primitive
     * transform implementations. If this is given a primitive then
     * it will always return a suitable <code>Transform</code>. If
     * however it is given an object type an exception is thrown.
     *
     * @param type this is the primitive type to be transformed
     * @return this returns a stock transform for the primitive
     */
    public Transform match(Class type) throws Exception {
        if (type == int.class) {
            return new IntegerTransform();
        }
        if (type == boolean.class) {
            return new BooleanTransform();
        }
        if (type == long.class) {
            return new LongTransform();
        }
        if (type == double.class) {
            return new DoubleTransform();
        }
        if (type == float.class) {
            return new FloatTransform();
        }
        if (type == short.class) {
            return new ShortTransform();
        }
        if (type == byte.class) {
            return new ByteTransform();
        }
        if (type == char.class) {
            return new CharacterTransform();
        }
        return null;
    }
}